What is an IPSW file?

An IPSW (iOS Software) file is a firmware file used by Apple devices. It contains the operating system and other software components needed to restore or update iOS devices like iPhones, iPads, and iPod touches.

How do I download an unsigned IPSW?

You can download unsigned IPSW files from IPSWFile.com. IPSW File is the #1 trusted websites that archive these files. All the files shared on IPSWFile.com is are from Apple server, so it is 100% safe and secure to download and use files downloaded from IPSWFile.com

How do I install an IPSW file on an iPhone?

To install an IPSW file on an iPhone: 1. Connect your iPhone to a computer with iTunes or Finder (macOS Catalina and later). 2. Open iTunes or Finder and select your device. 3. Hold the Shift key (Windows) or Option key (Mac) and click on 'Check for Update' or 'Restore iPhone.' 4. Select the IPSW file you want to install. 5. Follow the on-screen instructions to complete the process.

How to install unsigned ipsw?

Installing an unsigned IPSW file is generally not possible on modern iOS devices due to Apple's security measures. Unsigned IPSW files are typically older versions of iOS that Apple no longer signs (authorizes for installation).

How to restore unsigned ipsw without SHSH blobs

Unfortunately, it's not possible to restore an unsigned IPSW without SHSH blobs on modern iOS devices. SHSH blobs are unique signatures required for downgrading or restoring to a specific iOS version, and they need to be saved while Apple is still signing that version.

How can I use an IPSW file to restore my device?

You can use iTunes or 3uTools to restore your device using an IPSW file. Simply download the correct IPSW file for your device, connect your device to your computer, and use iTunes or 3uTools to select and restore the firmware.

Download iPadOS 15.1 (19B74) for iPad 8 (WiFi)

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier	iPad11,6
iPadOS Version	15.1
Release Date	2021-10-25
Update Date	2021-10-15
Sha1sum	378b188aefd4dcd04e1823d470b77d36edf9010b
Sha256sum	87ed8a8b123677a671a338346c6a436f12af2056a2552a481ab4c3085bf541cf
md5sum	92ba52698370921fa3e61fe37d0a9213
Size	5.40 GB
FileName	iPad_10.2_2020_15.1_19B74_Restore.ipsw
Status

Release Notes

It should be noted that these are the official release notes for the from Apple

SharePlay

SharePlay is a new way to share synchronized experiences in FaceTime with content from the Apple TV app, Apple Music, Fitness+, and other supported App Store apps
Shared controls give everyone the ability to pause, play, rewind or fast forward
Smart volume automatically lowers the audio of a movie, TV show or song when your friends speak
Apple TV supports the option to watch the shared video on your big screen while you continue the FaceTime call on iPad
Screen sharing lets everyone on a FaceTime call look at photos, browse the web, or help each other out

Live Text

Camera app Live Text support recognizes text, phone numbers, addresses, and more so you can take action on them (iPad with A12 Bionic and later)
Keyboard support lets you insert text directly from the Camera into any text field (iPad with A12 Bionic and later)

Translate

Mandarin Chinese (Taiwan) support in the Translate app and system-wide translation

Home

New automation triggers based on the current reading of a HomeKit-enabled humidity, air quality, or light level sensor

Shortcuts

New pre-built actions let you overlay text on images or gifs, plus a new collection of games lets you pass the time with Siri

This release also fixes the following issues:

Photos app may incorrectly report storage is full when importing photos and videos
Audio playing from an app may pause when locking the screen
Available Wi-Fi networks may not be detected

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

IPSW File Download FAQ